Home / 108,784.53-163,021.28-61,940.61

Finding the Fourth Proportional to 108,784.53, 163,021.28 and 61,940.61

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Solution

The fourth proportional to 108,784.53, 163,021.28 and 61,940.61 is: 92,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,784.53 : 163,021.28 = 61,940.61 : x
  2. Step 2: Convert to fraction form
    108,784.53/163,021.28 = 61,940.61/x
  3. Step 3: Cross multiply
    108,784.53x = 163,021.28 × 61,940.61
  4. Step 4: Simplify right side
    108,784.53x = 10,097,637,216.48
  5. Step 5: Solve for x
    x = 10,097,637,216.48/108,784.53
  6. Step 6: Final answer
    x = 92,822.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.